224291797 has 2 divisors, whose sum is σ = 224291798. Its totient is φ = 224291796.

The previous prime is 224291783. The next prime is 224291831. The reversal of 224291797 is 797192422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209844196 + 14447601 = 14486^2 + 3801^2 .

It is a cyclic number.

It is not a de Polignac number, because 224291797 - 2²⁷ = 90074069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224291737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112145898 + 112145899.

It is an arithmetic number, because the mean of its divisors is an integer number (112145899).

Almost surely, 2^224291797 is an apocalyptic number.

It is an amenable number.

224291797 is a deficient number, since it is larger than the sum of its proper divisors (1).

224291797 is an equidigital number, since it uses as much as digits as its factorization.

224291797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 43.

The square root of 224291797 is about 14976.3746280600. The cubic root of 224291797 is about 607.5813905301.

The spelling of 224291797 in words is "two hundred twenty-four million, two hundred ninety-one thousand, seven hundred ninety-seven".